<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no">
    <link rel="stylesheet" href="../command/bootstrap-4.3.1/css/bootstrap.min.css">
    <script src="../command/jquery/dist/jquery.min.js"></script>
    <script src="../command/bootstrap-4.3.1/js/bootstrap.min.js"></script>
    <script src="../command/bootstrap-4.3.1/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<h1>bootstrap简单入门</h1>
    <div class="container-fluid">
        <h1>第一个bootstrap布局</h1>
        <h2>以下内容为布局内容</h2>
<!--
    col-:所有的设备
    col-sm:平板
    col-md-:电脑
    col-lg：大屏
    col-xl:超大屏-->
        <div class="row">
            <div class="col-sm-3 col-md-3 col-lg-3">
                <P>我是占用3个栅格</P>
            </div>
            <div class="col-sm-9 col-md-9 col-lg-9">
                <P>我是占用9个栅格</P>
            </div>
        </div>
        <div class="row">
            <div class="col-md-5">
                <p>我是占用5个栅格</p>
            </div>
            <div class="col-md-5 offset-md-5">
                <p>我是占用5个栅格并设置偏移量为5个栅格</p>
            </div>
        </div>
    </div>


</body>
</html>